Sciweavers

562 search results - page 88 / 113
» Approximation algorithms and hardness of the k-route cut pro...
Sort
View
WWW
2009
ACM
14 years 8 months ago
Bid optimization for broad match ad auctions
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...
Eyal Even-Dar, Vahab S. Mirrokni, S. Muthukrishnan...
COMPGEOM
2006
ACM
14 years 1 months ago
Colored intersection searching via sparse rectangular matrix multiplication
In a Batched Colored Intersection Searching Problem (CI), one is given a set of n geometric objects (of a certain class). Each object is colored by one of c colors, and the goal i...
Haim Kaplan, Micha Sharir, Elad Verbin
ALENEX
2009
106views Algorithms» more  ALENEX 2009»
13 years 9 months ago
Drawing Binary Tanglegrams: An Experimental Evaluation
A tanglegram is a pair of trees whose leaf sets are in oneto-one correspondence; matching leaves are connected by inter-tree edges. In applications such as phylogenetics or hierar...
Martin Nöllenburg, Markus Völker, Alexan...
ICDT
2009
ACM
147views Database» more  ICDT 2009»
14 years 8 months ago
The average-case complexity of counting distinct elements
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
David P. Woodruff
SIGECOM
2011
ACM
219views ECommerce» more  SIGECOM 2011»
12 years 10 months ago
GSP auctions with correlated types
The Generalized Second Price (GSP) auction is the primary method by which sponsered search advertisements are sold. We study the performance of this auction in the Bayesian settin...
Brendan Lucier, Renato Paes Leme